Home / 12,058,210.80-18,087,316.20-8,231,835.60

Finding the Fourth Proportional to 12,058,210.80, 18,087,316.20 and 8,231,835.60

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Solution

The fourth proportional to 12,058,210.80, 18,087,316.20 and 8,231,835.60 is: 12,347,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058,210.80 : 18,087,316.20 = 8,231,835.60 : x
  2. Step 2: Convert to fraction form
    12,058,210.80/18,087,316.20 = 8,231,835.60/x
  3. Step 3: Cross multiply
    12,058,210.80x = 18,087,316.20 × 8,231,835.60
  4. Step 4: Simplify right side
    12,058,210.80x = 148,891,813,403,616.72
  5. Step 5: Solve for x
    x = 148,891,813,403,616.72/12,058,210.80
  6. Step 6: Final answer
    x = 12,347,753.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.